A place like the Right Livers' Rest was bound to draw freaks, same as molasses draws flies. 1935, George Goodchild, chapter 5, in Death on the Centre Court: By one o'clock the place was choc-a-bloc.
Swallowing certain types of poisons may cause excessive salivation. According to the National Library of Medicine, pesticides can cause excessive saliva when they are swallowed. Venom from snake bites or insect stings is another type of poisoning that can cause the malady.
Problems can develop with the glands that produce saliva, including swelling, infection, cysts, tumours and salivary gland stones. Your salivary glands produce up to around 1.5 litres of saliva (spit) a day. It gets into the mouth through ducts or tubes called salivary ducts.